MESON Chess Problem Database

Problem Display
PID: 175577 (1B6/8/Q1nNp3/3qk2N/3pp3/8/5P2/6K1 w - - 0 1)

Kerles, Josef

Das neue illustrierte Blatt, 1900

1B6/8/Q1nNp3/3qk2N/3pp3/8/5P2/6K1

#2

6 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qb5
      • 2.Qxb5#
    • 1...Qxd6
      • 2.Qb5#
    • 1...e3
      • 2.f4#
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qg3#
      • 1...Qxd6
        • 2.Qb5#
      • 1...exd3
        • 2.f4#
      • 1...Qa2
        • 2.Qxe4#
      • 1...Qb3
        • 2.Qxe4#
      • 1...Qc4
        • 2.Qxe4#
      • 1...Qa5
        • 2.Qxe4#
      • 1...Qb5
        • 2.Qxe4#
        • 2.Qxb5#
      • 1...Qc5
        • 2.Qxe4#
      • 1...e3
        • 2.Sc4#
        • 2.Sf7#
        • 2.f4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 2
  • Sets
    • Q(c);OGATEB::QAR(D),XQ(c)
    • Q(c);OGATEB,P_SPINQ(c),XS(E)::QAR(D)
    • P(b);N_GUARD::P(B)
  • Actual
    • Q(D);
    • Threat
      • QAB(D)
    • Vars
      • Q(c);OGATEB,P_SPINQ(c),XS(E)::QAR(D)
      • P(b);N_GUARD,XQ(D)::P(B)
      • Q(c);N_GUARD::QAR1(D),XP(b)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).